Thanks Robb for that link
Joe Reichman On Mon, Jun 8, 2026 at 2:45 PM Joseph Reichman <[email protected]> wrote: > I have a breakpoint at the entry point of the subtask > > > So after I do the first attach it goes right there > > For second I it never does I do listtcb with the TCB ADDR and tcbser is on > > Rob gave me a good idea if you have ideas how how I would debug this > please share > > Thanks > > > Joe Reichman > > On Mon, Jun 8, 2026 at 2:34 PM Binyamin Dissen < > [email protected]> wrote: > >> That doesn't answer the questions. >> >> How do you know that it never took off? >> :> >> What basic debugging or tracing have you done? >> >> Did you try GTFing your code? Did you examine the task structure from a >> DUMP? >> >> Possible issues with your code. >> >> Are SYSECB and PARM unique for each occurrence of ATTACH? >> >> >> >> >> >> On Mon, 8 Jun 2026 13:17:22 -0400 Joseph Reichman >> <[email protected]> wrote: >> >> :>I am running the code under TESTAUTH it's a concurrent server with 4 >> :>subtasks >> :> >> :>As soon as the ECB wait bit gets set I attach the next >> :> >> :>After the first task hits this point >> :> >> :>I attached the second which right away has TCBSER on >> :> >> :>And I don't see any abend on the console >> :> >> :> >> :>RD_TASK_LOOP DS 0H >> :> >> :>* >> :> >> :> >> :> LA R10,EZASMGW GLOBAL WORK AREA >> :> >> :> STC R6,TASK_ADDR >> :> >> :> OI TASK_ADDR,X'F0' >> :> >> :>* LA R15,NOW.TIE_DSECT >> :> >> :>* MVC E$ASMTOK-MYTIE(L'E$ASMTOK,R15),E$ASMTOK >> :> >> :> ST R11,ECB_ADDR >> :> >> :> ST R9,END_ECB >> :> >> :>* L R14,COMMADDR Get Communication Address >> :> >> :> MVC CLEANUP,=A(CLEAN_UP) >> :> >> :>* USING COM,R14 >> :> >> :>* MVC NOW.END_ECB,COMECBPT Store Commincation ecb >> :> >> :>.ATT ANOP >> :> >> :> ATTACH EP=DBGRTSK, X >> :> >> :> PARAM=((R10),(R7),CLIENT,SOCKTBL), >> :> ECB=SYSECB, X >> :> >> :> SZERO=YES, X >> :> >> :> SVAREA=YES, X >> :> >> :> ASYNCH=NO, X >> :> >> :> ESTAI=(R12), X >> :> >> :> ALCOPY=NO,MF=(E,PARM),SF=(E,ATT_LIS) >> :> >> :> LTR R15,R15 ALL OKAY >> :> >> :> BZ SET_TCB STORE TCB ADDRESS >> :> >> :> WTO 'PROBLEM CREATING TASKS..' >> :> >> :> B RETURN >> :> >> :>SET_TCB DS 0H >> :> >> :> LR R8,R1 HOLD TCB >> :> >> :>IS_WAIT DS 0H >> :> L R10,0(,R7) >> :> TM 0(R10),X'80' >> :> >> :> BO ST_TCB A; NO; WAIT >> :> >> :>* >> :> >> :> STIMER WAIT,DINTVL=LTINTVL WAIT A BIT >> :> >> :>* >> :> >> :> B IS_WAIT >> :> >> :>ST_TCB DS 0H >> :> >> :> STCM R8,B'0111',TASK_ADDR+1 STORE TCB ADDRESS >> :> >> :>* >> :> >> :>* >> :> >> :>TEMP8 DS 0H >> :> >> :> LA R7,THREAD_LEN(,R7) BUMP UP Storage for threads >> :> >> :> LA R11,4(,R11) Bump up end ecb addr >> :> >> :> LA R9,4(,R9) Bump ecb address >> :> >> :> BCT R6,RD_TASK_LOOP >> :> >> :> >> :> >> :> >> :> >> :> >> :> >> -----Original >> :>Message----- >> :>From: IBM Mainframe Discussion List <[email protected]> On >> Behalf Of >> :>Binyamin Dissen >> :>Sent: Monday, June 8, 2026 11:56 AM >> :>To: [email protected] >> :>Subject: Re: Subtask not getting dispatched >> :> >> :>How do you know that it never took off? >> :> >> :>What basic debugging or tracing have you done? >> :> >> :>On Mon, 8 Jun 2026 10:54:51 -0400 Joseph Reichman >> :><[email protected]> wrote: >> :> >> :>:>Hi >> :>:> >> :>:>I attach a subtask get a TCB however the subtask never takes off :> >> :>My >> :>only hint is that TCBSER of TCBFLGS4 :> :>Is on for TCB that never got >> :>dispatched :> :>Can anyone give me a clue how to get to the bottom of >> this >> :>:> >> :>:>---------------------------------------------------------------------- >> :>:>For IBM-MAIN subscribe / signoff / archive access instructions, :>send >> :>email to [email protected] with the message: INFO IBM-MAIN >> >> -- >> Binyamin Dissen <[email protected]> >> http://www.dissensoftware.com >> >> Director, Dissen Software, Bar & Grill - Israel >> >> ---------------------------------------------------------------------- >> For IBM-MAIN subscribe / signoff / archive access instructions, >> send email to [email protected] with the message: INFO IBM-MAIN >> > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
